Backport to branch(3.8) : Remove CI status badge #3730

Job	Run time
Gradle check	3m 48s
Lint dockerfiles	46s
Cassandra 3.0 integration test	7m 5s
Cassandra 3.11 integration test	6m 58s
Cosmos DB integration test	25m 3s
DynamoDB integration test	12m 26s
MySQL 5.7 integration test	5m 48s
MySQL 8.0 integration test	5m 58s
MySQL 8.1 integration test	6m 31s
Oracle 18 integration test	7m 26s
PostgreSQL 12 integration test	2m 29s
PostgreSQL 13 integration test	2m 36s
PostgreSQL 14 integration test	2m 36s
PostgreSQL 15 integration test	2m 37s
MariaDB 10 integration test	3m 44s
Oracle 21 integration test	10m 2s
Oracle 23 integration test	10m 27s
SQL Server 2017 integration test	4m 47s
SQL Server 2019 integration test	4m 46s
SQL Server 2022 integration test	5m 21s
Multi-storage integration test	3m 7s
ScalarDB Server integration test	5m 37s
	2h 19m 58s

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